US PATENT SUBCLASS 585 / 456
.~.~.~ Using halogen-containing catalyst

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
446  DF  .~ By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. {13}
455  DF  .~.~ Resulting side-chain restricted to more than five C atoms, e.g., "detergent alkylate", etc. {1}
456.~.~.~ Using halogen-containing catalyst

DEFINITION

Classification: 585/456

Using halogen-containing catalyst:

(under subclass 455) Subject matter wherein the reaction is catalyzed by a material containing fluorine, chlorine, bromine, or iodine in free or combined form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462, for halogen-catalyzed alkylation to produce an aromatic where the side-chain is not restricted to six or more carbon atoms.

723+, for HF-catalyzed alkylation to produce a paraffin.